EP 0421400 A2 19910410 - Photosensitive material roll take-up core and method of manufacturing the same.
Title (en)
Photosensitive material roll take-up core and method of manufacturing the same.
Title (de)
Kern zum Aufwickeln von lichtempfindlichem Material und Verfahren zu seiner Herstellung.
Title (fr)
Noyau pour enrouler un matériau photosensible et procédé de fabrication de celui-ci.
Publication
Application
Priority
JP 25948889 A 19891004
Abstract (en)
A photosensitive material roll take-up core (20) includes an inner core (21) formed of a plurality of base paper strips which are wound into a tubular form and bonded together by adhesive and an elastic outer core (22) which is wound around the inner core (21). The outer core (22) is formed of a material which is the same as the material of the inner core (21) and has been processed and provided with elasticity.
IPC 1-7
IPC 8 full level
G03C 3/00 (2006.01); B31C 3/00 (2006.01); B65H 75/10 (2006.01)
CPC (source: EP)
B31C 3/00 (2013.01); B65H 75/10 (2013.01); B29C 2793/00 (2013.01); B65H 2701/514 (2013.01); G03B 2227/325 (2013.01)
Designated contracting state (EPC)
DE NL
DOCDB simple family (publication)
EP 0421400 A2 19910410; EP 0421400 A3 19920408; JP H03120541 A 19910522
DOCDB simple family (application)
EP 90119001 A 19901004; JP 25948889 A 19891004